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192 lines (172 loc) · 4.11 KB
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/*
* Copyright 2010-2014 OpenXcom Developers.
*
* This file is part of OpenXcom.
*
* OpenXcom is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenXcom is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenXcom. If not, see <http://www.gnu.org/licenses/>.
*/
#include "CraftWeapon.h"
#include "../Ruleset/RuleCraftWeapon.h"
#include "../Ruleset/Ruleset.h"
#include "../Ruleset/RuleItem.h"
#include "CraftWeaponProjectile.h"
namespace OpenXcom
{
/**
* Initializes a craft weapon of the specified type.
* @param rules Pointer to ruleset.
* @param ammo Initial ammo.
*/
CraftWeapon::CraftWeapon(RuleCraftWeapon *rules, int ammo) : _rules(rules), _ammo(ammo), _rearming(false)
{
}
/**
*
*/
CraftWeapon::~CraftWeapon()
{
}
/**
* Loads the craft weapon from a YAML file.
* @param node YAML node.
*/
void CraftWeapon::load(const YAML::Node &node)
{
_ammo = node["ammo"].as<int>(_ammo);
_rearming = node["rearming"].as<bool>(_rearming);
}
/**
* Saves the base to a YAML file.
* @return YAML node.
*/
YAML::Node CraftWeapon::save() const
{
YAML::Node node;
node["type"] = _rules->getType();
node["ammo"] = _ammo;
if (_rearming)
node["rearming"] = _rearming;
return node;
}
/**
* Returns the ruleset for the craft weapon's type.
* @return Pointer to ruleset.
*/
RuleCraftWeapon *CraftWeapon::getRules() const
{
return _rules;
}
/**
* Returns the ammo contained in this craft weapon.
* @return Weapon ammo.
*/
int CraftWeapon::getAmmo() const
{
return _ammo;
}
/**
* Changes the ammo contained in this craft weapon.
* @param ammo Weapon ammo.
* @return If the weapon ran out of ammo.
*/
bool CraftWeapon::setAmmo(int ammo)
{
_ammo = ammo;
if (_ammo < 0)
{
_ammo = 0;
return false;
}
if (_ammo > _rules->getAmmoMax())
{
_ammo = _rules->getAmmoMax();
}
return true;
}
/**
* Returns whether this craft weapon needs rearming.
* @return Rearming status.
*/
bool CraftWeapon::isRearming() const
{
return _rearming;
}
/**
* Changes whether this craft weapon needs rearming
* (for example, in case there's no more ammo).
* @param rearming Rearming status.
*/
void CraftWeapon::setRearming(bool rearming)
{
_rearming = rearming;
}
/**
* Rearms this craft weapon's ammo.
* @param available number of clips available.
* @param clipSize number of rounds in said clips.
* @return number of clips used.
*/
int CraftWeapon::rearm(const int available, const int clipSize)
{
int used = 0;
if (clipSize > 0)
{
const int needed = std::max(1, (_rules->getAmmoMax() - _ammo) / clipSize);
used = std::min(_rules->getRearmRate() / clipSize, needed);
}
if (available >= used)
{
setAmmo(_ammo + _rules->getRearmRate());
}
else
{
setAmmo(_ammo + (clipSize * available));
}
if (_ammo >= _rules->getAmmoMax())
{
_ammo = _rules->getAmmoMax();
_rearming = false;
}
return used;
}
/*
* Fires a projectile from crafts weapon.
* @return Pointer to the new projectile.
*/
CraftWeaponProjectile* CraftWeapon::fire() const
{
CraftWeaponProjectile *p = new CraftWeaponProjectile();
p->setType(this->getRules()->getProjectileType());
p->setSpeed(this->getRules()->getProjectileSpeed());
p->setAccuracy(this->getRules()->getAccuracy());
p->setDamage(this->getRules()->getDamage());
p->setRange(this->getRules()->getRange());
return p;
}
/*
* get how many clips are loaded into this weapon.
* @param ruleset a pointer to the core ruleset.
* @return number of clips loaded.
*/
int CraftWeapon::getClipsLoaded(Ruleset *ruleset)
{
int retVal = (int)floor((double)_ammo / _rules->getRearmRate());
RuleItem *clip = ruleset->getItem(_rules->getClipItem());
if (clip && clip->getClipSize() > 0)
{
retVal = (int)floor((double)_ammo / clip->getClipSize());
}
return retVal;
}
}